In the introductory part of the definition of risk and plan to address the final task . Business system , production system , technological system and processing systems are described in the general section . Also the definition of production and technological processes and position of safety at work in the production process , The third part of the job properties describes the sequence of solving the final paper . The elaboration of the final thesis in the fourth part . This section describes the personal protective equipment , mechanical sources of danger , the basic groups of Safety , security in the application of electric current , the technological operations of grinding , sanding hazards and protective measures in grinding . The fifth chapter provides conclusions and sixth references.